89505162412018 has 4 divisors (see below), whose sum is σ = 134257743618030. Its totient is φ = 44752581206008.

The previous prime is 89505162412013. The next prime is 89505162412031. The reversal of 89505162412018 is 81021426150598.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47685750707169 + 41819411704849 = 6905487^2 + 6466793^2 .

It is a super-2 number, since 2×89505162412018² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89505162412013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22376290603003 + ... + 22376290603006.

Almost surely, 2^{89505162412018} is an apocalyptic number.

89505162412018 is a deficient number, since it is larger than the sum of its proper divisors (44752581206012).

89505162412018 is a wasteful number, since it uses less digits than its factorization.

89505162412018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44752581206011.

The product of its (nonzero) digits is 1382400, while the sum is 52.

The spelling of 89505162412018 in words is "eighty-nine trillion, five hundred five billion, one hundred sixty-two million, four hundred twelve thousand, eighteen".